No. 53-21 Service Bulletin/Repair Instructions

Service
Technical Information
53/21
ENU
2470
2
Complaint – Warning Message "E-Power Not Available" Appears in the Instrument Cluster:

Observe Specified Procedure (53/21)

Vehicle Type:
Cayenne E-Hybrid (9YA/9YB)
Model Year:
As of 2019 up to 2020
Concerns:
DME control unit
Information:
The message 'E-Power not available' is displayed in the instrument cluster. The entry 'P103A00 Engine oil – fuel content too high' is also stored in the fault memory of the DME control unit.
Action required: In the event of a customer complaint, proceed as follows:

•

•

•
Change oil and oil filter

Re-program engine electronics (DME) control unit

Create vehicle analysis log (VAL)
This programming step resets the value "Total amount of petrol and alcohol in oil" to prevent possible

subsequent repairs.

Information

The total time required for control unit programming is approx. 12 minutes.
Required tools

Information

The Cayenne is equipped as standard with a lithium starter battery, which must only be charged using

suitable battery chargers.

For further information about the battery chargers to be used, see:
Tools:
•
 Workshop Manual '2706IN General information on the 12-volt lithium-ion battery'
•
 Workshop Manual '270689 Charging vehicle electrical system battery'
•
Battery charger with a current rating of at least 90 A and a current and voltage-controlled

charge map for lithium starter batteries, e.g. VAS 5908 Battery charger 90A

9900 - PIWIS Tester 3 with PIWIS Tester software version 40.100.010 (or higher) installed
•
AfterSales
May 5, 2021

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Technical Information
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Required parts and materials

Parts Info:
Materials:
Part No.
Designation

– Use
Qty.
PAF00072900
 Hexagon socket head bolt

– Front underbody cover
3 ea.
9A719840500
 Oil filter element with sealing ring
1 ea.
PAF013849
 Sealing ring, A14 x 20

– Oil drain plug
1 ea.
Part No.
Designation
Qty.
00004321046
 Exxon Mobil 1 ESP x2 0W-20 engine oil
00004330501
 Lubricant for O-ring
20-liter/ 5.28 gal

container1)

100 g/ 3.52 oz tube2)
1) approx.
7.2 liter/ 1.9 gal required per vehicle
2) approx.
2 grams/ 0.07 oz required per vehicle
Changing oil and filter

Work Procedure: 1

2
Change oil filter.  Workshop Manual '173055 Changing oil filter'

Change engine oil.  Workshop Manual '170117 Draining and filling engine oil'
Re-programming DME control unit

WARNING

Electrically moved side windows and rear spoiler

•
Danger of limbs being trapped or severed
•
Risk of damage to components

Do not reach into the danger area.

Keep third parties away from the danger area.

Do not move components or tools into the danger area.

Retract roll-up sun blinds on the rear side windows before starting programming or coding.

NOTICE
Fault entry in the fault memory and control unit programming aborted due to low voltage.
May 5, 2021

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AfterSales
Service
Technical Information
53/21
ENU
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•
Increased current draw during diagnosis or control unit programming can cause a drop in voltage, which

can result in one or more fault entries and the abnormal termination of diagnostics.

Before starting control unit programming, connect a suitable battery charger with a current rating of at

least 90 A to the vehicle.

NOTICE
Control unit programming will be aborted if the WiFi connection is unstable.

•
An unstable WiFi connection can interrupt communication between the PIWIS Tester and the vehicle

communication module (VCI). As a result, control unit programming may be aborted.

During control unit programming, always connect the PIWIS Tester to the vehicle communication module

(VCI) via the USB cable.

NOTICE
Control unit programming will be aborted if the driver's key is not recognized

•
If the driver's key is not recognized in the vehicle, control unit programming cannot be started or will be

interrupted.

Position the driver's key in the rear area of the left cupholder in the center console between the holding

struts (emergency start tray) in order to guarantee a permanent radio link between the vehicle and

driver's key.
Work Procedure: 1
Connect a battery charger with a current rating of at least 90 A, e.g. Battery charger 90A, to

the jump-start terminals in the engine compartment and switch it on.  Workshop Manual '270689

Charging vehicle electrical system battery'
2
Position the driver's key in the rear area of the left

cupholder in the center console between the holding

struts (emergency start tray) in order to guarantee a

permanent radio link between the vehicle and driver's

key  Emergency start tray.
3
Switch on the ignition.
4
9900 - PIWIS Tester 3 must be connected to the

vehicle communication module (VCI) via the USB

cable. Then connect the communication module

to the vehicle and switch on the PIWIS Tester.
5
Emergency start tray
Re-program DME control unit.

The basic procedure for programming a control unit is described in the Workshop Manual 

Workshop Manual '9X00IN Basic instructions and procedure for control unit programming using the

PIWIS Tester - section on "Programming"'.
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Specific information on control unit programming in the context of this Technical Information:

Required PIWIS Tester software version:
40.100.010 (or higher)
Type of control unit programming:
Control unit programming using the 'Automatic

programming' function for the DME control unit:

'Engine electronics (DME)' control unit –

'Coding/programming' menu – 'Automatic

programming' function.

Read and follow the information and instructions

on the PIWIS Tester during the guided

programming sequence.

During the programming sequence, the DME

control unit is re-programmed and then

re-codedautomatically.
Programming sequence:
Do not interrupt programming and coding.

Once the control units have been programmed and

coded, you will be prompted to switch the ignition off

and then back on again after a certain waiting time.

Backup documentation of the new software versions

is then performed.

The programming sequence takes

(approx.):
12 minutes
Procedure in the event of abnormal

termination of control unit programming:
• Switch ignition off and then on again.

• Read out and erase fault memories  Workshop

Manual '9X00IN Basic instructions and procedure

for control unit programming using the PIWIS Tester section on "Subsequent work"'.

• Repeat control unit programming by restarting

programming.
Procedure in the event of other error

messages appearing during the

programming sequence:
 Workshop Manual '9X00IN Basic instructions and

procedure for control unit programming using the

PIWIS Tester - section on "Fault finding"'.
Information

For the vehicles for which a complaint is received, the software version does not change because only the

old application software is re-installed. This programming step resets the value "Total amount of petrol

and alcohol in oil" and can prevent possible subsequent repairs.
May 5, 2021

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AfterSales
Service
Technical Information
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ENU
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Concluding work

Work Procedure: 1
2
Create a vehicle analysis log (VAL) and check it.

1.1
Create vehicle analysis log (VAL).
1.2
Select the 'Engine electronics (DME)' control unit in the control unit selection screen

('Overview' menu) and press •F12“ ('Next') to confirm your selection.
1.3
Press •F10“ to open the 'Logs' menu and select 'Vehicle analysis log'.
1.4
Check whether the value 'Total amount of petrol and alcohol in oil' was reset.
Read out and erase the fault memory.

2.1
In the control unit selection screen

('Overview' menu), press •F7“ to call up the

'Additional menu' ( Control unit selection).
2.2
Select the function 'Read all fault

memories and erase if required' and

press •F12“ ('Next') to confirm  Erasing

fault memories.

Control unit selection

The fault memories of the control units are

read out.
2.3
Once you have read out the fault memories,

delete the fault memory entries by pressing

•F8“.
2.4
Press •F12“ ('Yes') in response to the

question asking whether you really want to

delete all fault memory entries.

The faults stored in the fault memories of the

various control units are deleted.
Erasing fault memories
Information

If there are still fault memory entries in individual control units, start the engine briefly and

then switch it off again. Wait for approx. 10 seconds before switching the ignition on again

and re-establish the connection between the PIWIS Tester and the vehicle. Then, read out and

erase the fault memories of the affected control units again separately.

If the control units are found to have other faults, which cannot be erased and are not

caused by control unit programming, these faults must be found and corrected.

3
Switch off ignition.
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4
Disconnect the PIWIS Tester from the vehicle.
5
Switch off and disconnect the battery charger.
Invoicing

Invoicing:
For documentation and warranty invoicing, enter the labor operations, PQIS coding and part numbers

specified below in the warranty claim:
APOS
Labor operation
17305560
Changing oil filter
17011760
Draining and filling engine oil
24702540
Programming DME control units
I No.
PQIS coding:

Location (FES5)
24700
DME control unit
Damage type (SA4)
1134
Programming error
Parts Info:
References:
Part No.
Designation
Qty.
PAF00072900
Hexagon socket head bolt
3 ea.
9A719840500
Oil filter element with sealing ring
1 ea.
PAF013849
Sealing ring, A14 x 20
1 ea.
00004321046
Exxon Mobil 1 ESP x2 0W-20 engine oil
00004330501
Lubricant for O-ring
approx. 7.2 liter/ 1.9

gal

approx. 2 grams/ 0.07

oz
 Workshop Manual '173055 Changing oil filter'

 Workshop Manual '170117 Draining and filling engine oil'

 Workshop Manual '270689 Charging vehicle electrical system battery'

 Workshop Manual '2706IN General information on the 12-volt lithium-ion battery'

 Workshop Manual '9X00IN Basic instructions and procedure for control unit programming using the

PIWIS Tester'
Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training

courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special

tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the

safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and

safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a

discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed.
© 2021 Porsche Cars North America, Inc.
May 5, 2021

Page 6 of 6
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